28941200

素因数分解:

$2^4\times 5^2\times {\mathrm{72353}}^1$

素因数の和:72371

約数の個数: 30

約数和(自身を含む): 69532194

約数和(自身を除く): 40590994

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 72353, 144706, 289412, 361765, 578824, 723530, 1157648, 1447060, 1808825, 2894120, 3617650, 5788240, 7235300, 14470600, 28941200]

約数ペア:

[(1, 28941200), (2, 14470600), (4, 7235300), (5, 5788240), (8, 3617650), (10, 2894120), (16, 1808825), (20, 1447060), (25, 1157648), (40, 723530), (50, 578824), (80, 361765), (100, 289412), (200, 144706), (400, 72353)]